Fibre-grating sensors for the measurement of physiological pulsations

Marija D. Petrović, Aleksandar Daničić, V. Atanasoski, S. Radosavljević, V. Prodanović, N. Miljković, Jovana Petrović, Dobrila Petrovic, Bosko Bojović, Ljupčo Hadžievski, Thomas D.P. Allsop, Glynn Lloyd, David J. Webb

Research output: Contribution to journalArticlepeer-review


Mechanical physiological pulsations are movements of a body surface incited by the movements of muscles in organs inside the body. Here we demonstrate the use of long-period grating sensors in the detection of cardio-vascular pulsations (CVP), in particular apex and carotid pulsations. To calibrate the sensors, we use a mechanical tool designed specifically to measure the sensor response to a localized perturbation at different grating curvatures as working points. From the data we infer the amplitude of the CVP. Together with the electrophysiological signals, the CVP signals obtained from the sensors can provide significant information on heart function which is inaccessible to the electrocardiogram. The low cost and easy handling of the fibre sensors increase their prospects to become the sensors of choice for novel diagnostic devices.
Original languageEnglish
Article number014022
Number of pages4
JournalPhysica Scripta
Issue numberT157
Publication statusPublished - 15 Nov 2013


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